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The Marys Rock Tunnel is a vehicular tunnel in the Blue Ridge Mountains. [1] Located at mile marker 32.2 on Skyline Drive , the scenic byway that traverses the length of Shenandoah National Park , it is the only vehicular tunnel in the park.
Heroes Tunnel (formerly West Rock Tunnel) is a 1,200-foot-long (370 m), [1] twin-tube tunnel carrying Route 15 (Wilbur Cross Parkway) through West Rock Ridge in New Haven, Connecticut, opened in 1949. It is the only highway tunnel to pass beneath a natural land feature in New England, [1] although there are other types of vehicular tunnels in ...
Because the New Haven segment had not yet been completed, motorists were directed to temporarily follow Route 34, US 5, and Route 10A. In November 1949, the New Haven segment, from Exit 57-58 to Exit 61, including the West Rock Tunnel opened. The entire parkway was a toll road when it opened in 1941.
Eugene Tunnel/Rock Island Tunnel # 3, abandoned rail tunnel, in use 1903–1980, Chicago, Rock Island & Pacific Railroad, under State Route 17 just south of Eugene; being developed into a rail trail Vale Tunnel /Rock Island Tunnel # 4, abandoned rail tunnel, in use 1904–1980, Chicago, Rock Island & Pacific Railroad , under Bannister Road ...
It passes through the Backbone Rock Tunnel, an old railroad tunnel used by the Beaver Dam Railroad known as "the shortest tunnel in the world", via a bridge over Beaverdam Creek on either end. SR 133 then exits the mountains and the Cherokee National Forest to level and straighten out to pass through Sutherland before reaching its northern ...
Colonial Parkway, Williamsburg Tunnel 1949 1988 Colonial Parkway: Colonial Williamsburg: Williamsburg: Independent city: VA-119: Skyline Drive, Marys Rock Tunnel: 1932 1996 Skyline Drive: Mary's Rock: Luray: Rappahannock County
Topographic map of tunnel segments, as of 1874 The tunnel construction project required excavation of 2,000,000 tonnes (2,000,000 long tons; 2,200,000 short tons) of rock. On March 16, 1853, "Wilson's Patented Stone-Cutting Machine" (a tunnel boring machine ) was used; it failed after excavating 10 feet (3.0 m) of rock.
Route map New Route. Old Route ... The Moffat Tunnel is a railroad and water tunnel that cuts through the ... or 3,000,000,000 pounds (1,400,000 t) of rock, equal to ...